Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Warning Indicator Bulb
Removal and Installation
1. Remove the instrument cluster. Refer to Instrument Cluster in this
section.
2. Remove the necessary instrument cluster bulbs by rotating one quarter
turn counterclockwise.
3. To install, reverse the removal procedure.
...
Driving through water
WARNING: Drive through water in an emergency only, and not
as part of normal driving.
WARNING: Engine damage can occur if water enters the air
filter.
Note: Driving through deep water may allow water into the transmission
or air intake and can cause internal v ...
Engine Cooling (Diagnosis and Testing)
Special Tool(s)
Pressure Tester
014-R1072 or equivalent
73III Automotive Meter
105-R0057 or equivalent
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent scan ...
